Encore Executive Coaching

Mary T. O’Sullivan, MSOL, ICF-PCC, SHRM-SCP. Graduate   Member Beta Gamma Sigma, the International Honor Society.

Mary O’Sullivan has over 30 years experience in the aerospace and defense industry. In each of her roles, she acted as a change agent, moving teams and individuals from status quo to new ways of thinking, through offering solutions focused on changing behaviors and fostering growth. In additional, Mary holds a permanent teaching certificate in the State of New York for secondary education and taught high school English for 10 years in the Syracuse, NY area.

Today, Mary devotes her time to helping good leaders get even better through positive behavior change.